Study on the influences of electrolytic voltage on the removal of azo dye from wastewater by electro-heterogeneous catalysis method

doi:10.11894/1005-829x.2016.36(7).052

INDUSTRIAL WATER TREATMENT ›› 2016, Vol. 36 ›› Issue (7): 52-55. doi: 10.11894/1005-829x.2016.36(7).052

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Study on the influences of electrolytic voltage on the removal of azo dye from wastewater by electro-heterogeneous catalysis method

Ban Fuchen, Sun Xiaoxin, Liu Xin, Li Meiran

School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Revised:2016-05-03 Online:2016-07-20 Published:2016-08-10

电解电压对电多相催化法去除偶氮染料废水的影响

班福忱, 孙晓昕, 刘鑫, 李美然

沈阳建筑大学市政与环境工程学院, 辽宁沈阳 110168

作者简介:班福忱(1976—),博士,副教授。E-mail:banfc@163.com。
基金资助:
辽宁省自然科学基金优秀人才培育项目（2014020073）；沈阳建筑大学学科涵育项目（XKHY2-46）；沈阳建筑大学一般项目（2014043）

Abstract

Abstract:

The influences of electrolytic voltage on the treatment of dye wastewater by electro-heterogeneous catalysis method have been studied. Experimental results show that under the following conditions:the simulated dye wastewater concentration is 300 mg/L,pH 6.8,reaction time 1 h,polar plate distance 6 cm,aeration rate 0.08 m³/h,and Na₂SO₄ dosage 800 mg/L,the maximum dye decolorization rate can reach 94.36%,and the maximum COD_Crremoving rate can reach 43.6%. The important influential factor of electro-heterogeneous catalytic oxidation method is electrolytic voltage. Selecting electrolytic voltage reasonably is especially important to the improvement of current efficiency,reduction of energy consumption,and speeding up the removing rate of organic matter.

Key words: electro-heterogeneous oxidation, electrolytic voltage, azo dye, current efficiency

摘要：

研究了电解电压对电多相催化法处理染料废水的影响。结果表明：在模拟染料废水质量浓度为300mg/L，pH为6.8，反应时间为1 h，极板间距为6 cm，曝气量为0.08 m³/h，Na₂SO₄投加质量浓度为800 mg/L的条件下，染料脱色率最高可达到94.36%，COD_Cr最大去除率为43.6%。电解电压是电多相催化氧化法中的重要影响因素，合理选择电解电压对于提高电流效率、降低能耗、加快有机物去除率尤为重要。

关键词: 电多相氧化, 电解电压, 偶氮染料, 电流效率

CLC Number:

X703.1

Ban Fuchen, Sun Xiaoxin, Liu Xin, Li Meiran. Study on the influences of electrolytic voltage on the removal of azo dye from wastewater by electro-heterogeneous catalysis method[J]. INDUSTRIAL WATER TREATMENT, 2016, 36(7): 52-55.

班福忱, 孙晓昕, 刘鑫, 李美然. 电解电压对电多相催化法去除偶氮染料废水的影响[J]. 工业水处理, 2016, 36(7): 52-55.

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https://www.iwt.cn/EN/Y2016/V36/I7/52

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Study on the influences of electrolytic voltage on the removal of azo dye from wastewater by electro-heterogeneous catalysis method

电解电压对电多相催化法去除偶氮染料废水的影响

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Study on the influences of electrolytic voltage on the removal of azo dye from wastewater by electro-heterogeneous catalysis method

电解电压对电多相催化法去除偶氮染料废水的影响

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